Paratrichocladius nigritus

Author: (Goetghebuer, 1938)

Exuviae 4.0-4.9mm long (n=9).
Cephalothorax: Thoracic horn and frontal setae absent.
Abdomen: Tergites II-VIII covered with points, minute laterally near the adhesion marks, largest antero-medially where thay form a transversely oval patch within the general armament; apical bands present on tergites II-V, composed of quite strong hooks on II and III; on tergites III and IV the enlarged anterior points of the median point patch form a broad transverse band, which may be weakly constricted medially, situated within the median point patch away from the anterior margin (068h.jpg). Apical hooklets of tergites III and IV or III-V usually about as large as those of hook row II. Paratergites with most shagreen points isolated. Pedes spurii A and pedes spurii B of segment II absent.
Anal segment: Anal lobe ratio 1.6-1.8 (n=4). Anal lobes without fringe. Three well-developed anal macrosetae present, 0.6-0.76x length of the anal lobe (n=4).
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 883: Orthocladiinae 294 Paratrichocladius of the Text Key.

NW+C Europe.
(For more information see module IdentifyIt – file: Orthocladiinae).

Ecological notes